Ametek MP3 SCR DeviceNet Head, Руководство HDR HMI

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The relay is programmable. The first screen will list a text box identifying the most
recent event that triggered the relay. The next button takes the user to more detail.
The second screen identifies which events are enabled to trigger the relay, and which
events are currently active.
The default configuration is for a fault to also activate the relay. But a user may
change this configuration. If you enable multiple events, this screen becomes useful
to quickly identify the event(s) keeping the relay active, if you do not have any other
indicator to tell this.
3.10 Main Menu >> Demonstration Menu
This menu accesses a variety of items used for test or demonstration.
The button labeled PF/ZFT Auto Switching is a special mode control that enables the
HMI to perform some simple pseudo-PLC control to manipulate the firing modes
based on load resistance for Silicon Carbide or Molybdenum loads. You must enter
the password ‘HDRPW’ to open this screen.